Vaccine Efficacy

• Pfizer developing booster shot to combat COVID-19 Delta variant

  The updated version of the Pfizer COVID-19 vaccine targets "the full spike protein of the Delta variant," the companies said in a statement.

  Health

  Jul 8, 2021
  
• Vaccines prevent lockdowns, not always COVID-19 spread: experts

  "Vaccination will take us far enough along, not that we're out of the woods, but that we're really out of the fire," University of Toronto epidemiologist Colin Furness said.

  Canada

  Jul 6, 2021
  
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• COVID-19: Saskatchewan pharmacist says first vaccine dose kept her out of the hospital

  As of May 8, across the province, 263 people at least partially immunized for three weeks more had contracted COVID-19, according to the Ministry of Health.

  Canada

  May 31, 2021
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• Experts say lower vaccine efficacy shouldn’t be deterrent

  Experts stress that when it comes to preventing COVID hospitalization or death, data from trials showed all four vaccines were perfect.

  Health

  Mar 5, 2021
• ‘When will it end?’: New data suggests COVID-19 could become endemic

  Scientists now believe that SARS-CoV-2 will not only remain with us as an endemic virus but will likely cause a significant burden of illness and death for years to come.

  Health

  Mar 3, 2021
• All approved COVID-19 vaccines effective at preventing hospitalization and death, experts say

  As vaccines start to roll out on a large scale in Ontario, health experts are concerned some people are developing preferences about which shot in the arm they want.

  Health

  Mar 1, 2021
• Canada to get early AstraZeneca shots through partnership with India-based company

  A shipment of 500,000 doses is set to arrive in Canada on Wednesday, the chief executive of local partner Verity Pharmaceuticals confirmed Friday.

  Canada

  Feb 26, 2021
• Canada reports first cases of U.K. coronavirus variant. Here’s what you need to know

  Health Canada says there is no evidence that the new, possibly more contagious strain found in Ontario and B.C. will cause more severe disease or impact vaccine effectiveness.

  Health

  Dec 27, 2020